Synonyms for Anemone (same or very similar meaning)
WordNet sense 1 (any woodland plant of the genus Anemone grown for its beautiful flowers and whorls of dissected leaves):
windflowerWordNet sense 2 (marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton):
sea anemoneFrom the ODE community, based on WordNetadd/edit